Luna Innovations (LUNA) Short Interest Ratio & Short Volume $1.49 +0.14 (+10.37%) As of 10/24/2025 03:59 PM Eastern Add Compare Share Share Short Interest Stock AnalysisChartCompetitorsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Luna Innovations Short Interest DataLuna Innovations (LUNA) has a short interest of 313,800 shares. This marks a -4.56% decrease in short interest from the previous month. The short interest ratio (days to cover) is 6.9, indicating that it would take 6.9 days of the average trading volume of 124,504 shares to cover all short positions.Current Short Interest313,800 sharesPrevious Short Interest328,800 sharesChange Vs. Previous Month-4.56%Dollar Volume Sold Short$332.63 thousandShort Interest Ratio6.9 Days to CoverLast Record DateSeptember 30, 2025Outstanding Shares33,959,000 sharesPercentage of Shares Shorted0.92%Today's Trading Volume31,138 sharesAverage Trading Volume124,504 sharesToday's Volume Vs. Average25% Short Selling Luna Innovations? Sign up to receive the latest short interest report for Luna Innovations and its competitors with MarketBeat's FREE newsletter. Email Address Get Report View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy. Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartLUNA Short Interest Over TimeLUNA Days to Cover Over TimeLUNA Percentage of Float Shorted Over Time Luna Innovations Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 9/30/2025313,800 shares $332.63 thousand -4.6%N/A6.9 $1.06 9/15/2025328,800 shares $282.77 thousand -0.8%N/A45.7 $0.86 8/31/2025331,300 shares $298.17 thousand -2.2%1.1%13.9 $0.90 8/15/2025338,600 shares $260.72 thousand No ChangeN/A31.9 $0.77 7/31/2025338,600 shares $338.60 thousand -3.2%1.1%16.8 $1.00 7/15/2025349,600 shares $297.16 thousand -1.6%N/A8.3 $0.85 6/30/2025355,300 shares $314.44 thousand +1.7%1.1%4.1 $0.89 6/15/2025349,300 shares $261.98 thousand No Change1.1%16.2 $0.75 5/31/2025349,300 shares $174.65 thousand -7.5%1.1%15.7 $0.50 5/15/2025377,400 shares $188.70 thousand No ChangeN/A18.7 $0.50 Get the Latest News and Ratings for LUNA and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Luna Innovations and its competitors with MarketBeat's FREE daily newsletter. 4/30/2025377,400 shares $154.73 thousand No ChangeN/A7.1 $0.41 4/15/2025377,400 shares $218.89 thousand No ChangeN/A7.1 $0.58 3/14/2025384,900 shares $265.62 thousand -0.3%N/A12.1 $0.69 2/14/2025574,500 shares $551.52 thousand -7.8%N/A6.6 $0.96 1/31/2025623,400 shares $498.72 thousand -28.3%N/A4.8 $0.80 1/15/2025870,000 shares $870 thousand -48.1%N/A0.3 $1.00 12/31/20241,670,000 shares $3.61 million No Change5.4%3.3 $2.16 12/15/20241,670,000 shares $2.84 million -1.2%5.3%9.8 $1.70 11/30/20241,690,000 shares $2.97 million +0.6%5.4%9.5 $1.76 11/15/20241,680,000 shares $2.74 million -10.2%5.4%9.4 $1.63 10/31/20241,870,000 shares $2.90 million -6.0%6.0%10.8 $1.55 10/15/20241,990,000 shares $2.90 million -2.0%6.4%11.1 $1.46 9/30/20242,030,000 shares $4.77 million -3.3%6.5%12 $2.35 9/15/20242,100,000 shares $4.47 million +0.5%6.7%8 $2.13 8/31/20242,090,000 shares $4.97 million -3.2%6.7%7.8 $2.38 8/15/20242,160,000 shares $5.25 million +1.9%6.9%7.1 $2.43 7/31/20242,120,000 shares $6.36 million +10.4%N/A6.4 $3.00 7/15/20241,920,000 shares $5.59 million -34.9%N/A4 $2.91 6/30/20242,950,000 shares $9.44 million -1.3%N/A5.4 $3.20 6/15/20242,990,000 shares $9.54 million -0.3%N/A5.6 $3.19 5/31/20243,000,000 shares $10.02 million +0.7%N/A4.7 $3.34 5/15/20242,980,000 shares $8.52 million -3.9%N/A4.9 $2.86 4/30/20243,100,000 shares $6.39 million +17.0%N/A5.4 $2.06 4/15/20242,650,000 shares $6.41 million +17.3%N/A6.1 $2.42 3/31/20242,260,000 shares $7.24 million +9.2%N/A6.7 $3.21 3/15/20242,070,000 shares $9.21 million +23.2%N/A7 $4.45 2/29/20241,680,000 shares $11.39 million +2.4%N/A11.7 $6.78 2/15/20241,640,000 shares $12.43 million +2.5%N/A11.2 $7.58 1/31/20241,600,000 shares $11.47 million +6.7%N/A9.3 $7.17 1/15/20241,500,000 shares $10.35 million +3.5%N/A8.3 $6.90 12/31/20231,450,000 shares $9.64 million +25.0%N/A7.6 $6.65 12/15/20231,160,000 shares $7.51 million -12.1%N/A6.2 $6.47 11/30/20231,320,000 shares $8.41 million -4.4%N/A7.3 $6.37 11/15/20231,380,000 shares $7.52 million +9.5%N/A7.8 $5.45 10/31/20231,260,000 shares $7.16 million +44.4%N/A7.7 $5.68 10/15/2023872,600 shares $5.66 million +21.3%N/A5.5 $6.49 9/30/2023719,200 shares $4.21 million -1.1%N/A4.8 $5.86 9/15/2023727,100 shares $4.57 million -8.0%N/A3.2 $6.28 8/31/2023790,200 shares $5.44 million -5.9%N/A3.2 $6.89 8/15/2023840,000 shares $6.48 million +3.5%N/A3.2 $7.72 7/31/2023811,400 shares $7.34 million -8.2%N/A3.1 $9.04 7/15/2023883,700 shares $7.62 million -4.3%N/A3.3 $8.62 6/30/2023923,600 shares $8.42 million +106.8%N/A3.5 $9.12 6/15/2023446,600 shares $4.47 million +13.8%N/A1.7 $10.01 5/31/2023392,300 shares $3.62 million +32.9%N/A1.7 $9.22 5/15/2023295,100 shares $2.34 million -9.2%N/A1.3 $7.92 4/30/2023324,900 shares $2.04 million -8.8%N/A1.5 $6.28 4/15/2023356,300 shares $2.42 million -33.1%N/A1.7 $6.79 3/31/2023532,300 shares $3.83 million +21.6%N/A2.3 $7.19 3/15/2023437,700 shares $2.85 million +4.9%N/A1.6 $6.50 2/28/2023417,300 shares $4.19 million +11.2%1.3%1.9 $10.04 2/15/2023375,400 shares $3.59 million -8.6%1.2%1.8 $9.57 1/31/2023410,900 shares $3.63 million +15.4%1.3%2.2 $8.84 1/15/2023356,200 shares $3.27 million +5.3%N/A2.1 $9.17 12/30/2022338,300 shares $2.97 million +16.9%1.1%2.1 $8.79 12/15/2022289,300 shares $2.68 million -2.7%0.9%2.9 $9.28 11/30/2022297,400 shares $2.01 million +18.8%1.0%3.9 $6.76 11/15/2022250,300 shares $1.58 million -31.3%0.8%3.8 $6.33 10/31/2022364,100 shares $1.89 million +12.6%1.2%5 $5.19 10/15/2022323,300 shares $1.51 million -15.9%1.0%4 $4.67 9/30/2022384,300 shares $1.71 million +27.8%1.2%4.6 $4.44 9/15/2022300,800 shares $1.51 million +0.1%1.0%1.8 $5.01 8/31/2022300,600 shares $1.73 million -26.8%1.0%1.5 $5.75 8/15/2022410,400 shares $2.63 million +1.1%1.3%1.8 $6.42 7/31/2022405,800 shares $2.63 million -21.5%1.7%1.6 $6.47 7/15/2022516,700 shares $3.15 million -32.2%2.2%1.9 $6.09 6/30/2022761,600 shares $4.44 million -48.9%3.2%2.7 $5.83 6/15/20221,490,000 shares $8.06 million +14.6%6.2%5.3 $5.41 5/31/20221,300,000 shares $7.85 million +12.1%4.3%6.9 $6.04 5/15/20221,160,000 shares $6.24 million +3.6%3.8%6.6 $5.38 4/30/20221,120,000 shares $6.18 million +26.0%3.6%7.7 $5.52 4/15/2022888,700 shares $5.55 million -8.7%2.9%6.3 $6.24 3/31/2022973,100 shares $7.50 million +1.1%3.2%7 $7.71 3/15/2022962,400 shares $6.98 million +19.6%3.1%7 $7.25 2/28/2022804,600 shares $5.50 million -13.7%2.6%6.5 $6.83 2/15/2022932,600 shares $6.76 million +30.3%3.1%7.5 $7.25 1/31/2022715,700 shares $5.22 million +14.7%2.4%4.5 $7.29 1/15/2022624,200 shares $4.62 million -18.7%2.1%3.8 $7.40 12/31/2021768,100 shares $6.48 million -5.8%2.5%4.8 $8.44 12/15/2021815,200 shares $7.08 million +7.7%2.7%5.1 $8.68 11/30/2021757,200 shares $6.34 million -6.9%2.5%4.8 $8.37 11/15/2021813,300 shares $7.55 million -24.0%2.7%5.2 $9.28 10/29/20211,070,000 shares $10.42 million +12.7%3.5%7.8 $9.74 10/15/2021949,300 shares $8.52 million -2.9%3.2%6.9 $8.97 9/30/2021978,100 shares $9.29 million -14.2%3.3%6.8 $9.50 9/15/20211,140,000 shares $11.64 million +12.9%3.8%7.9 $10.21 8/31/20211,010,000 shares $10.88 million No Change3.4%6.7 $10.77 8/13/20211,010,000 shares $11.25 million -1.0%3.4%6.7 $11.14 7/30/20211,020,000 shares $12.58 million -1.0%3.5%6 $12.33 7/15/20211,030,000 shares $10.43 million +8.7%3.7%6.6 $10.13 6/30/2021947,400 shares $10.26 million -10.6%3.4%6.4 $10.83 6/15/20211,060,000 shares $11.55 million -2.8%3.8%6.4 $10.90 5/28/20211,090,000 shares $11.06 million +10.7%3.9%6.6 $10.15 5/14/2021984,700 shares $11.06 million +1.8%3.5%5.3 $11.23 4/30/2021967,400 shares $11.27 million +4.4%3.5%5.4 $11.65 4/15/2021926,500 shares $10.55 million +20.3%3.4%4.7 $11.39 3/31/2021770,500 shares $7.90 million +0.3%2.8%3.4 $10.25 3/15/2021768,100 shares $9.24 million +3.6%2.8%3.2 $12.03 2/26/2021741,400 shares $8.85 million +7.1%2.8%2.9 $11.94 2/12/2021692,100 shares $8.17 million +15.6%2.6%2.4 $11.81 1/29/2021598,700 shares $6.51 million +8.4%2.2%2.1 $10.88 1/15/2021552,300 shares $5.87 million +33.3%2.1%2 $10.62 12/31/2020414,400 shares $3.99 million -0.2%1.5%1.7 $9.64 12/15/2020415,100 shares $3.93 million -50.0%1.5%1.7 $9.46 11/30/2020829,800 shares $8.15 million -15.1%3.1%3.7 $9.82 11/15/2020977,300 shares $7.32 million -6.0%3.6%5.2 $7.49 10/30/20201,040,000 shares $6.70 million +2.0%3.9%5.8 $6.44 LUNA Short Interest - Frequently Asked Questions What is Luna Innovations' current short interest? Short interest is the volume of Luna Innovations shares that have been sold short but have not yet been covered or closed out. As of September 30th, investors have sold 313,800 shares of LUNA short. Learn More on Luna Innovations' current short interest. What is a good short interest ratio for Luna Innovations? The short interest ratio, also known as the "days to cover ratio", is calculated by dividing the number of shares of a stock sold short divided by its average trading volume. A short interest ratio ranging between 1 and 4 generally indicates strong positive sentiment about a stock and a lack of short sellers. A short interest ratio of 10 or greater indicates strong pessimism about a stock. LUNA shares currently have a short interest ratio of 7.0. Learn More on Luna Innovations's short interest ratio. Is Luna Innovations' short interest increasing or decreasing? Luna Innovations saw a decrease in short interest in the month of September. As of September 30th, there was short interest totaling 313,800 shares, a decrease of 4.6% from the previous total of 328,800 shares. Changes in short volume can be used to identify positive and negative investor sentiment. Investors that short sell a stock are betting that its price will decline in the future. An increase in short sale volume suggests bearish (negative) sentiment among investors. A decrease on short sale volume suggests bullish (positive) sentiment. How does Luna Innovations' short interest compare to its competitors? Here is how the short interest of companies in the industry of "business services" compare to Luna Innovations: OneMedNet Corporation (2.33%), Mint Incorporation Limited (12.38%), Resources Connection, Inc. (1.91%), Arrive AI Inc. (10.30%), CTW Cayman (2.59%), Altisource Portfolio Solutions S.A. (2.86%), Skillz Inc. (13.04%), HireQuest, Inc. (4.23%), Research Solutions Inc. (0.17%), American Well Corporation (1.11%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: AppLovin Corporation ($15.71 billion), Robinhood Markets, Inc. ($7.56 billion), Reddit Inc. ($4.55 billion), Coinbase Global, Inc. ($4.53 billion), CoreWeave Inc. ($4.43 billion), Charter Communications, Inc. ($4.07 billion), Seagate Technology Holdings PLC ($3.94 billion), IonQ, Inc. ($3.78 billion), TC Energy Corporation ($3.13 billion), and Live Nation Entertainment, Inc. ($3.12 billion). View all of the most shorted stocks. What does it mean to sell short Luna Innovations stock? Short selling LUNA is an investing strategy that aims to generate trading profit from Luna Innovations as its price is falling. LUNA shares are trading up $0.14 today. To short a stock, an investor borrows shares, sells them and buys the shares back on the public market later to return it to the lender. Short sellers are betting that a stock will decline in price. If the stock does drop after selling, the short seller buys it back at a lower price and returns it to the lender. The difference between the sell price and the buy price is the trader's profit. How does a short squeeze work against Luna Innovations? A short squeeze for Luna Innovations occurs when it has a large amount of short interest and its stock increases in price. This forces short sellers to cover their short interest positions by buying actual shares of LUNA, which in turn drives the price of the stock up even further. How often is Luna Innovations' short interest reported? Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including LUNA, twice per month. The most recent reporting period available is September, 30 2025. More Short Interest Resources from MarketBeat Related Companies ONMD Short Interest Data MIMI Short Interest Data RGP Short Interest Data ARAI Short Interest Data CTW Short Interest Data ASPS Short Interest Data SKLZ Short Interest Data HQI Short Interest Data RSSS Short Interest Data AMWL Short Interest Data Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:LUNA) was last updated on 10/25/2025 by MarketBeat.com Staff From Our PartnersIf You Keep Cash In A U.S. Bank Account… Read This NOWThe Treasury Department just issued a stunning warning: U.S. banks could lose up to $6.6 trillion of custom...Banyan Hill Publishing | SponsoredINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | Sponsored$100 Trillion “AI Metal” Found in American Ghost TownJeff Brown recently traveled to a ghost town in the middle of an American desert… To investigate what could...Brownstone Research | SponsoredMove $1,000 into this stock before Nov 6The End of Tesla? "Hold onto your Tesla stock." That's the message insiders at Tesla have been giving staff...Altimetry | Sponsored$4,200 gold is nice ... but here’s what most gold bugs are missingGold just surged past $4,200, but Weiss Ratings expert Sean Brodrick says the real upside is in select gold st...Weiss Ratings | SponsoredBuy UBER immediatelyBULLISH: It's time to buy this 'hidden' AI stock An award-winning stock-rating system has turned BULLISH on...Chaikin Analytics | SponsoredFront-Run Buffett's Shocking Gold MoveA Historic Gold Announcement Is About to Rock Wall Street? For months, sharp-eyed analysts have watched the...Golden Portfolio | SponsoredForget Tesla — This Tiny AI Stock Is Musk’s Real PlayWhile Wall Street focused on Tesla’s earnings, Elon Musk was quietly building a supercomputer so powerful it c...Behind the Markets | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added ten stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding Luna Innovations Incorporated Please log in to your account or sign up in order to add this asset to your watchlist. Share Luna Innovations With A Colleague Link copied to clipboard. Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Free LUNA Stock Alerts